22712398560 has 72 divisors (see below), whose sum is σ = 77506065000. Its totient is φ = 6056639232.

The previous prime is 22712398523. The next prime is 22712398591. The reversal of 22712398560 is 6589321722.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7884810 + ... + 7887689.

It is an arithmetic number, because the mean of its divisors is an integer number (1076473125).

Almost surely, 2^22712398560 is an apocalyptic number.

22712398560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22712398560 is an abundant number, since it is smaller than the sum of its proper divisors (54793666440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22712398560 is a wasteful number, since it uses less digits than its factorization.

22712398560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15772520 (or 15772509 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 22712398560 in words is "twenty-two billion, seven hundred twelve million, three hundred ninety-eight thousand, five hundred sixty".